Margo Garden Products Polished River Pebble collection offers best in quality hand-picked stones from around the world. All stones are tumbled and polished to produce a smooth and most consistent in color stone to last. These pebbles are complimented by a bag designed for easy handling to apply and store for projects of all sizes. Use Mixed Grade A Polished Pebbles in residential or commercial spaces for adding a beautiful rockscape design in planters, along walkways, as decorative accents and in creative landscaping. The polish can wear due to exposure in outdoor environment conditions.